package com.tliaswebmanagement.interceptor;

import com.alibaba.fastjson.JSON;
import com.tliaswebmanagement.pojo.Result;
import com.tliaswebmanagement.utlis.JwtUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.AsyncHandlerInterceptor;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Slf4j
//拦截器类
@Component
public class LoginCheckInterceptor implements HandlerInterceptor {



    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
       log.info("preHandle");
        System.out.println("preHandle---------------");

        String jwt = request.getHeader("token");

        try {
            JwtUtils.parseJWT(jwt);
        } catch (Exception e) {
            e.printStackTrace();
            Result error = Result.error("NOT_LOGIN");
            response.getWriter().write(JSON.toJSONString(error));
            return false;
        }
        return true;
    }


    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("postHandle---------------");

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("afterCompletion---------------");

    }
}
